Ranked in 2 Practice Areas
1

Band 1

Litigation

Switzerland

6 Years Ranked

1

Band 1

Arbitration Counsel

Switzerland

6 Years Ranked

Ranked in Guides

About

Provided by Harold Frey

Global

Practice Areas

Investigations, Litigation and Arbitration

Career

Harold Frey leads our Litigation and Arbitration practice in Zurich. In the past several decades, he has represented clients in several hundred international arbitrations and court litigations. Harold’s practice has a particular focus on corporate and M&A disputes as well as energy and construction related disputes. He regularly acts in cases involving states and state-owned companies (several cases pending).

Harold is ranked as a leading individual as counsel in arbitration.

University of Zurich (lic. iur. 1996), District Court of Dielsdorf (2001), Zurich, Swiss Bar Admission (1997), New York University School of Law (LL.M., 2001), New York Bar Admission (2001), Arbitration Group of Wilmer Cutler Pickering Hale & Dorr, London (2005), Partner at Lenz & Staehelin (2009)

Professional Memberships

Board member of the Swiss Arbitration Association (ASA), member of the Arbitration Court of the Swiss Arbitration Centre, The London Court of International Arbitration (LCIA), German Institution of Arbitration (DIS), Zurich Bar Association (ZAV), New York Bar Association

Languages Spoken

German, English

Chambers Review

Provided by Chambers

Chambers Global Guide

Litigation - Switzerland

1
Band 1
Individual Editorial

Harold Frey has notable experience in complex commercial litigation, including post-M&A and shareholder disputes. He has additional skill advising on banking litigation.


Arbitration Counsel - Switzerland

1
Band 1
Individual Editorial

Harold Frey is one of the leading arbitration counsels in Switzerland. He has a strong focus on ICC proceedings, representing clients in construction and contractual disputes, as well as energy and maritime-related matters. He also has notable experience in investor-state arbitrations and Swiss Rules proceedings.

Contributions

Latest contributions provided by Harold Frey

In-Depth Overview
Harold Frey
Xavier Favre-Bulle
Martin Aebi
Authored by
Harold Frey, Xavier Favre-Bulle, Martin Aebi
Article • Feb 2026

Strengths

Provided by Chambers

Discover other Lawyers at
Lenz & Staehelin

Provided by Chambers
Filter by
Band

Europe-wide

Arbitration (International)

5
Xavier Favre-Bulle
5
Band 5
International Arbitration: Most In Demand Arbitrators

3
Xavier Favre-Bulle
3
Band 3

Switzerland

Arbitration Counsel

1
Harold Frey
1
Band 1
1
Xavier Favre-Bulle
1
Band 1
4
Martin Aebi
4
Band 4
Arbitrators

2
Xavier Favre-Bulle
2
Band 2
Banking & Finance

1
Marcel Tranchet
Head of Banking & Finance
1
Band 1
Banking & Finance: Regulatory

1
Shelby R du Pasquier
1
Band 1
2
Philipp Fischer
2
Band 2
Capital Markets

2
Patrick Schleiffer
2
Band 2
4
Jacques Iffland
4
Band 4
4
Patrick Schärli
Head of Capital Markets
4
Band 4
Corporate/M&A

1
Tino Gaberthüel
Head of Corporate/M&A
1
Band 1
2
Andreas Rötheli
2
Band 2
3
Jacques Iffland
3
Band 3
4
Matthias Wolf
4
Band 4
4
Stephan Erni
4
Band 4
5
Simone Ehrsam
5
Band 5
Investment Funds

François Rayroux
Head of Investment Funds
Star Individuals
2
Olivier Stahler
Head of Investment Funds
2
Band 2
20 of 31 results